阅读说明：本技术 单目四镜面智能检测设备 (Four mirror surface intellectual detection system equipment of monocular ) 是由 张仕刚 廖映华 舒成业 于 2021-10-19 设计创作，主要内容包括：本发明涉及液晶玻璃检测设备技术领域,特指一种单目四镜面智能检测设备；本发明包括四镜面反射装置,四镜面反射装置包括轴承上端盖,轴承上端盖上方对称安装有四块镜面放置板,镜面放置板活动旋转,镜面放置板的内侧安装镜面,镜面放置板、镜面呈上大下小的梯形,四块镜面放置板形成的空间内具有真空吸附平台,四块镜面放置板形成的空间上方配有CCD摄像头；本发明利用镜面反射原理,实现小尺寸液晶玻璃单目多视角成像；通过将相邻镜面中同一检测面信息对比,快速、准确获取检测液晶玻璃的形貌信息,具有检测速度快、精度高的特点,能有效减少后端材料和人力损耗,提高效率。(The invention relates to the technical field of liquid crystal glass detection equipment, in particular to monocular four-mirror-surface intelligent detection equipment; the invention comprises four mirror surface reflection devices, wherein each four mirror surface reflection device comprises a bearing upper end cover, four mirror surface placing plates are symmetrically arranged above the bearing upper end cover, each mirror surface placing plate movably rotates, a mirror surface is arranged on the inner side of each mirror surface placing plate, each mirror surface placing plate and each mirror surface are in a trapezoid shape with a large upper part and a small lower part, a vacuum adsorption platform is arranged in a space formed by the four mirror surface placing plates, and a CCD camera is arranged above the space formed by the four mirror surface placing plates; the invention utilizes the mirror reflection principle to realize the small-size liquid crystal glass monocular multi-view imaging; through the contrast of the information of the same detection surface in the adjacent mirror surfaces, the appearance information of the liquid crystal glass is quickly and accurately acquired, the method has the characteristics of high detection speed and high precision, the material and manpower loss of the rear end can be effectively reduced, and the efficiency is improved.)

1. Four mirror surface intellectual detection system equipment of monocular, its characterized in that: including four specular reflection devices, four specular reflection devices include the bearing upper end cover, and four mirror surfaces are installed to bearing upper end cover top symmetry and are placed the board, and the board activity of placing is rotatory for the mirror surface, and the inboard installation mirror surface of board is placed to the mirror surface, and board, mirror surface are trapezoidal big-end-up placed, and four mirror surfaces are placed and have the vacuum adsorption platform in the space that the board formed, and four mirror surfaces are placed the space top that the board formed and are furnished with the CCD camera.

2. The monocular four-mirror intelligent detection device of claim 1, wherein: the bearing upper end cover on install mirror surface support frame base, the pin joint has mirror surface frame connecting rod between mirror surface support frame base and the mirror surface board of placing, mirror surface frame connecting rod pin joint is in the lower part that the board was placed to the mirror surface.

3. The monocular four-mirror intelligent detection device of claim 2, wherein: the bottom outer end installation ball screw slip table module of bearing upper end cover, the lead screw of ball screw slip table module has the nut member, the nut member is connected with the follow-up ring, the follow-up ring pin joint has mirror surface board connecting rod, mirror surface board connecting rod pin joint mirror surface places the upper portion of board.

4. The monocular four-mirror intelligent detection device of claim 1, wherein: the bearing upper end cover is arranged above the detection workbench, the rotary motor is arranged on the bottom surface of the detection workbench, and the rotary motor drives the bearing upper end cover to rotate.

5. The monocular four-mirror intelligent detection device of claim 1, wherein: the vacuum adsorption platform is movably lifted and moved.

6. The monocular four-mirror intelligent detection device of claim 4, wherein: the detection workbench is arranged on the frame.

7. The monocular four-mirror intelligent detection device of claim 1, wherein: and the left side and the right side of the four-mirror reflection device are respectively provided with a conveyor belt bracket, and a conveyor belt is arranged on the conveyor belt bracket.

Technical Field

The invention relates to the technical field of liquid crystal glass detection equipment, in particular to monocular four-mirror-surface intelligent detection equipment.

Background

Due to the influence of cutting parameters or environmental factors in the cutting process of the small-size liquid crystal glass, micro cracks are difficult to avoid on the cutting edge, and the cutting edge is gradually expanded and connected under the action of subsequent temperature change, so that the cutting edge is cracked and falls off, and cracks and micro air pockets are generated. The traditional manual detection causes eye strain due to long-term work, so that the accuracy is reduced, and meanwhile, the liquid crystal glass is easily scratched and collided by manual detection; the front and the side of the liquid crystal glass are sequentially detected by a single CCD camera of part of detection equipment, image information of a plurality of surfaces to be detected cannot be acquired simultaneously, and the detection speed is low and the cost is high.

Therefore, based on the above-mentioned defects of the existing monocular four-mirror intelligent detection device, the existing monocular four-mirror intelligent detection device needs to be improved.

Disclosure of Invention

The invention aims to provide monocular four-mirror intelligent detection equipment aiming at the defects of the prior art, and the monocular four-mirror intelligent detection equipment solves the problems that the existing detection equipment has: low detection efficiency and the like.

In order to realize the purpose, the invention is realized by the following technical scheme: four mirror surface intellectual detection system equipments of monocular, including four mirror surface reflection device, four mirror surface reflection device include the bearing upper end cover, and four mirror surfaces are installed to bearing upper end cover top symmetry and are placed the board, and the board activity is rotatory is placed to the mirror surface, and the inboard installation mirror surface of board is placed to the mirror surface, and the mirror surface is placed board, mirror surface and is trapezoidal big-end-up, has the vacuum adsorption platform in the space that the board formed is placed to four mirror surfaces, and four mirror surfaces are placed the space top that the board formed and are furnished with the CCD camera.

The bearing upper end cover on install mirror surface support frame base, the pin joint has mirror surface frame connecting rod between mirror surface support frame base and the mirror surface board of placing, mirror surface frame connecting rod pin joint is in the lower part that the board was placed to the mirror surface.

The bottom outer end installation ball screw slip table module of bearing upper end cover, the lead screw of ball screw slip table module has the nut member, the nut member is connected with the follow-up ring, the follow-up ring pin joint has mirror surface board connecting rod, mirror surface board connecting rod pin joint mirror surface places the upper portion of board.

The bearing upper end cover is arranged above the detection workbench, the rotary motor is arranged on the bottom surface of the detection workbench, and the rotary motor drives the bearing upper end cover to rotate.

The vacuum adsorption platform is movably lifted and moved.

The detection workbench is arranged on the frame.

And the left side and the right side of the four-mirror reflection device are respectively provided with a conveyor belt bracket, and a conveyor belt is arranged on the conveyor belt bracket.

The invention has the beneficial effects that: the mirror reflection principle is utilized to realize small-size liquid crystal glass monocular multi-view imaging; through the contrast of the information of the same detection surface in the adjacent mirror surfaces, the appearance information of the liquid crystal glass is quickly and accurately acquired, the method has the characteristics of high detection speed and high precision, the material and manpower loss of the rear end can be effectively reduced, and the efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a left side view schematically illustrating the present invention.

Fig. 3 is a schematic diagram of the adaptive detection space structure of the four-mirror apparatus of the present invention.

FIG. 4 is a schematic structural diagram of a four-mirror reflection apparatus according to the present invention.

FIG. 5 is a partial schematic view of a four-mirror reflection apparatus according to the present invention.

FIG. 6 is a schematic view of a sorting apparatus according to the present invention.

Fig. 7 is a schematic diagram of the system module connection of the present invention.

Reference numbers and descriptions:

a detection workbench 1, a ball screw sliding table module 2, a bearing upper end cover 3, a nut rod 4, a follower ring 5, a mirror plate connecting rod 6, a mirror placing plate 7, a mirror frame driven gear 8, a mirror frame intermediate gear 9, a mirror frame driving gear 10, a mirror support frame base 11, a rotary driving gear 12, a mirror frame driven shaft 13, a rotary motor 14, a mirror frame motor 15, a mirror frame intermediate connecting rod 16, a bearing base 17, a cylindrical roller bearing 18, a mirror frame sliding block 19, a mirror frame connecting rod 20, a lifting motor 21, a lifting table 22, a vacuum adsorption platform 23, liquid crystal glass 24, a mirror 25, a linear motor module 26, a cylinder mounting plate 27, a double-guide-rail cylinder 28, a fixed sliding block 29, a sliding block guide rail 30, a vacuum suction disc 31, a vacuum suction disc frame 32, a light source support 33, a light source placing plate 34, a bowl-shaped LED flexible diffusion light source 35, a ball screw sliding table module 36, a light source display device, a liquid crystal display, and a liquid crystal display, CCD camera 37, camera fixed plate 38, ball screw slip table module zigzag board 39, detection device frame 40, conveyer belt 41, conveyer belt support 42, frame 43, push rod support 44, push rod 45, push rod ball screw slip table module 46.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-7, the present invention can realize automatic detection operation, and includes a frame 43, and a four-mirror adaptive detection space and a transmission device are installed on the frame 43.

The four-side mirror self-adaptive detection space comprises four mirror surface reflection devices and a single CCD camera height adjustable device.

See fig. 2 and 4, wherein the four-mirror reflection device includes a detection workbench 1, the detection workbench 1 is installed on a frame 43, a rotating electrical machine 14 is installed on the bottom surface of the detection workbench 1, a bearing upper end cover 3 is arranged above the detection workbench 1, a gear hobbing is arranged in the middle of the bottom surface of the bearing upper end cover 3, a driving shaft of the rotating electrical machine 14 passes through the detection workbench 1 to drive a rotating driving gear 12, the rotating driving gear 12 is engaged with the gear hobbing on the bottom surface of the bearing upper end cover 3, and the rotating electrical machine 14 drives the bearing upper end cover 3 to rotate.

The mirror surface is installed above 3 upper end covers of bearing and is placed board 7, and the inboard installation mirror surface 25 of board 7 is placed to the mirror surface, and mirror surface 25 is trapezoidal big-end-up, and four mirror surfaces are placed board 7 symmetry settings, are pieced together each other.

The rotating motor 14 drives the bearing upper end cover 3 to rotate, so that the angle between the mirror surface 25 and the liquid crystal glass 24 is changed.

Install mirror surface support frame base 11 on bearing upper end cover 3, the pin joint has mirror surface frame connecting rod 20 between board 7 is placed to mirror surface support frame base 11 and mirror surface, be fixed with mirror surface frame motor 15 on the mirror surface support frame base 11, mirror surface frame motor 15 drives mirror surface frame driving gear 10, mirror surface frame driving gear 10 meshes with mirror surface frame intermediate gear 9, mirror surface frame intermediate gear 9 meshes with mirror surface frame driven gear 8, mirror surface frame driven gear 8 is installed on mirror surface frame driven shaft 13, the both ends of mirror surface frame driven shaft 13 are connected with mirror surface frame slider 19, mirror surface frame slider 19 is located mirror surface frame connecting rod 20, mirror surface frame intermediate gear 9 is installed on mirror surface frame intermediate link 16, the both ends of mirror surface frame intermediate link 16 are fixed in on mirror surface support frame base 11.

The mirror frame link 20 is pivotally connected to a lower portion of the mirror placement plate 7.

The mirror frame motor 15 rotates the mirror frame driven shaft 13 through the gear group, causes the mirror frame slider 19 to act on the mirror frame link 20, and rotates the mirror frame link 20 to rotate the lower portions of the mirror surface mounting plate 7 and the mirror surface 25.

Ball screw slip table module 2 is installed to the bottom outer end of bearing upper end cover 3, and ball screw slip table module 2's lead screw is located 3 upper surfaces of bearing upper end cover, has nut member 4 on the lead screw, and nut member 4 is connected with follow-up ring 5, and the 5 pin joints of follow-up ring have mirror surface board connecting rod 6, and the upper portion of board 7 is placed to the 6 pin joints mirror surface of mirror surface board connecting rod. When the nut rod 4 is lifted, the mirror surface plate connecting rod 6 is pulled, and the mirror surface plate connecting rod 6 rotates relative to the follower ring 5, so that the upper parts of the mirror surface placing plate 7 and the mirror surface 25 rotate.

The mirror surface plate connecting rods 6 are pivoted on the cross rods, and the cross rods of the four mirror surface placing plates 7 are connected together to form a follow-up ring 5.

A bearing base 17 is fixed on the upper surface of the detection workbench 1, a cylindrical roller bearing 18 is installed on the bearing base 17, and the bottom surface of the upper end cover 3 of the bearing is sleeved outside the cylindrical roller bearing 18.

Referring to fig. 5, the bearing base 17 is provided with a lifting motor 21, the lifting motor 21 drives a screw rod, a lifting table 22 is arranged on the screw rod, a vacuum adsorption platform 23 is arranged at the top of the lifting table 22, liquid crystal glass 24 is placed on the vacuum adsorption platform 23, and the vacuum adsorption platform 23 adsorbs the liquid crystal glass 24 through vacuum. The vacuum suction stage 23 is located in the space surrounded by the mirror-surface placing plate 7. Since the mirror 25 is a trapezoid with a large top and a small bottom, the liquid crystal glass 24 with different length-width ratios may not be imaged completely on the mirror 25, and therefore the elevating platform 22 needs to be adjusted to make the vacuum suction platform 23 be at a proper position on the mirror 25.

Referring to fig. 2, 3 and 4, the single CCD camera height adjustable device includes a light source bracket 33, a light source placing plate 34, a bowl-shaped LED flexible diffusion light source 35, a ball screw sliding table module 36, a CCD camera 37, a camera fixing plate 38, a ball screw sliding table module Z-shaped plate 39 and a detection device frame 40. The frame 43 is provided with a detection device frame 40, a light source support 33 is fixed at the lower part of the detection device frame 40, a light source placing plate 34 is fixed on the light source support 33, a bowl-shaped LED flexible diffusion light source 35 is fixed on the light source placing plate 34, and the bowl-shaped LED flexible diffusion light source 35 is positioned above the vacuum adsorption platform 23.

The upper portion of detection device frame 40 is fixed with ball screw slip table module Z word board 39, and ball screw slip table module 36 is installed to the lower part of ball screw slip table module Z word board 39, and ball screw slip table module 36 is connected with camera fixed plate 38, and camera fixed plate 38 is fixed with CCD camera 37, and CCD camera 37 is located bowl form LED flexible diffusion light source 35 directly over.

Under the condition that the bowl-shaped LED flexible diffusion light source 35 provides illumination, the ball screw sliding table module 36 drives the camera fixing plate 38 to move up and down according to the imaging effect, the distance between the CCD camera 37 and the liquid crystal glass 24 to be detected is adjusted, and the optimal imaging effect is achieved.

The conveying device comprises a linear motor module 26, the linear motor module 26 is installed on a rack 43, the linear motor module 26 is driven to be provided with an air cylinder installation plate 27, a double-guide-rail air cylinder 28 is installed on the inner side of the air cylinder installation plate 27, a vacuum suction cup frame 32 is driven to be arranged at the upper end of the double-guide-rail air cylinder 28, a vacuum suction cup 31 is installed on the vacuum suction cup frame 32, two vacuum suction cups 31 are arranged, and the liquid crystal glass which is not detected and the liquid crystal glass which is detected are conveyed simultaneously. The outer side of the cylinder mounting plate 27 is provided with a slide block guide rail 30, the slide block guide rail 30 is provided with a fixed slide block 29 in a sliding manner, and the fixed slide block 29 is fixed with a vacuum chuck frame 32.

The left and right sides of the four-mirror reflection device are respectively provided with a conveyor belt bracket 42, and the conveyor belt bracket 42 is provided with a conveyor belt 41.

Photoelectric sensors are arranged on the left side and the right side of a linear motor module 26 of the conveying device, and when a rotor of the linear motor is in place, the photoelectric sensors send signals to the storage module; the photoelectric sensor is installed at the position, close to the linear motor module guide rail, of the left conveying belt 41, when the liquid crystal glass 24 to be detected reaches the detection position of the photoelectric sensor, the left conveying belt 41 stops moving, the conveying device conveys the liquid crystal glass 24 to be detected, and after the conveying is finished, the conveying belt 41 starts moving. The photoelectric sensor on the right conveyor belt 41 senses that the liquid crystal glass 24 is placed on the right conveyor belt 41, and the right conveyor belt 41 starts to move.

See fig. 6, install sorter on the conveyer belt 41 on the right, sorter includes push rod support 44, and push rod support 44 installs on conveyer belt support 42, installs push rod ball screw slip table module 46 on the push rod support 44, and push rod ball screw slip table module 46 is transversely perpendicular to conveyer belt 41, and the activity is provided with push rod 45 on the push rod ball screw slip table module 46. When the right conveyor belt 41 stops moving, the push rod 45 of the sorting device can push the unqualified liquid crystal glass 24 on the right conveyor belt 41.

The change of the inclination angle of the mirror 25 of the four-mirror reflection device is realized by gear transmission and ball screw transmission. Adjusting the inclination angles of the four mirror surfaces: the nut rod piece 4 rises to drive the follower ring 5 to rise, and the follower ring 5 and the mirror surface plate connecting rod 6 can drive the mirror surface placing plate 7 to rotate, so that the preliminary adjustment of the mirror surface inclination angle is realized; the mirror frame motor 15 rotates to drive the mirror frame driving gear 10 to rotate, a slider-crank mechanism consisting of a mirror frame driven shaft 13, a mirror frame middle connecting rod 16, a mirror frame slider 19 and a mirror frame connecting rod 20 is driven by gears to move, and the mirror frame connecting rod 20 is connected with the mirror placing plate 7, so that the mirror inclination angle is accurately adjusted.

In order to enable the two adjacent side surfaces of the liquid crystal glass 24 to be detected to be imaged completely in the mirror surface 25, the position of the edge of the side surface of the liquid crystal glass 24 to be detected in the mirror surface 25 needs to be adjusted: the liquid crystal glass 24 to be detected is placed on the vacuum adsorption platform 23, the rotating motor 14 is started to drive the rotating driving gear 12 to rotate, the rotating driving gear 12 and the bearing upper end cover 3 are meshed with each other to drive the four-mirror reflection device to rotate, the mirror surface 25 mounted on the bearing upper end cover 3 rotates relative to the rack 43, and the angle between the side edge of the liquid crystal glass 24 to be detected and the mirror surface 25 is adjusted.

The working principle of the invention is as follows: when the linear motor module 26 starts to work, the rotor is located on the left side, at this time, the double-guide-rail air cylinder 28 is turned off, so that the left vacuum suction cup 31 can take up the liquid crystal glass 24 which is not detected from the left conveyor belt 41, and the right vacuum suction cup 31 takes up the liquid crystal glass 24 which is detected from the vacuum suction platform 23. The double-rod cylinder 28 is opened, and the vacuum chuck holder 32 is lifted; the linear motor module 26 moves rightward so that the vacuum chuck holder 32 moves with the vacuum chuck 31. When the linear motor module 26 moves rightwards to be in place, the double-rod air cylinder 28 is closed, the vacuum sucker frame 32 descends, the vacuum sucker 31 on the left side and the vacuum sucker 31 on the right side respectively put down the liquid crystal glass 24 to be detected and the liquid crystal glass 24 which is detected completely, the liquid crystal glass 24 to be detected is placed on the vacuum adsorption platform 23, and the liquid crystal glass which is detected completely is placed on the conveyor belt 41 on the right side. The vacuum adsorption stage 23 is opened to fix the liquid crystal glass 24 to be inspected. The bowl-shaped LED flexible diffusion light source 35 provides illumination, the CCD camera 37 shoots and collects the appearance and appearance information of the front surface and the side surface of the liquid crystal glass 24 to be inspected.

After the liquid crystal glass 24 to be detected is detected, the slide block of the linear motor module 26 moves to the left to be in place, the vacuum chuck 31 on the right side picks up the liquid crystal glass 24 which is detected, the new liquid crystal glass 24 which is not detected is picked up by the vacuum chuck 31 on the left side, and then the initial carrying and detecting processes are repeated.

The control of the invention is realized by an industrial personal computer, and the industrial personal computer checks the equipment working state of the self-adaptive detection space of the four-mirror by reading the real-time data of the sensor, and completes the intelligent adjustment of the mirror surface inclination angle and the camera height.

The self-adaptive detection space of the four-surface mirror further comprises an image acquisition module, a storage module, a distance sensor and an angle sensor. The distance sensor is positioned on the camera fixing plate 38 and used for measuring the distance between the CCD camera 37 and the liquid crystal glass 24 to be detected; the angle sensor is arranged on the mirror surface placing plate 7 and used for adjusting the mirror surface inclination angle of the four mirror surface reflection devices.

The industrial personal computer sends a classification command to the classification device after judging that the liquid crystal glass 24 is unqualified by using an intelligent algorithm. Unqualified liquid crystal glass 24 is conveyed to the photoelectric sensor of the classification device on the conveyor belt 41, and the push rod 45 pushes the unqualified liquid crystal glass to the left side of the conveyor belt 41 on the right side, so that the classification of the unqualified liquid crystal glass 24 is completed.

The image acquisition module is used for acquiring images, the storage module is used for receiving data of the camera and the sensor, the industrial personal computer is used for reading the data in the storage module through accessing the communication module for analysis and processing, the detection result is sent to the data terminal for counting the detection result, and the classification device is used for executing unqualified liquid crystal glass pushing processing.

The connection relationship between the system modules of the invention is as follows: the angle sensor, the distance sensor and the image acquisition module are connected with the storage module, the camera is connected with the image acquisition module, the storage module is connected with the communication module, the communication module and the image processing module are connected with the industrial personal computer, and the industrial personal computer is connected with the display screen.

The invention firstly pre-adjusts the inclination angle of the mirror, carries the mirror after the adjustment of the angle of the mirror is finished, and then carries out classification according to the judgment result.

The invention can realize the monocular four-mirror imaging of the small-size liquid crystal glass by placing the object to be detected in the four-mirror self-adaptive detection space formed by the four inclined mirrors. The industrial personal computer image processing module quickly and accurately acquires the appearance information of the detected liquid crystal glass by comparing the information of the same detection surface in the adjacent mirror surfaces, and finally applies an intelligent algorithm to analyze the appearance defects of the liquid crystal glass and judge whether the liquid crystal glass is qualified or not, and performs simple classification processing on unqualified liquid crystal glass to realize the intelligent detection of the appearance defects of the liquid crystal glass. And storing and counting according to the analysis result of the appearance defects of the liquid crystal glass, sending the detection result to a display screen, and displaying the received detection result in real time by the display screen.

The invention utilizes the mirror reflection principle to simultaneously obtain the image information of a plurality of surfaces to be detected, can reduce the using number of CCD cameras and accelerate the detection speed of appearance defects in the manufacturing process of liquid crystal glass. The self-adaptive detection space of the four-surface mirror can adjust the inclination angle of the mirror surface, the distance between the CCD camera and the liquid crystal glass and the relative position between the vacuum adsorption platform and the inclined mirror surface according to the imaging effect of the liquid crystal glass to be detected in the CCD camera, and is flexible and convenient to use.

The invention adjusts the side edge of the liquid crystal glass to be detected to a proper position, so that the mirror surface can reflect two adjacent side surfaces of the edge.

The conveying device provided by the invention is provided with the left vacuum chuck and the right vacuum chuck, and can be used for simultaneously conveying liquid crystal glass which is not detected and liquid crystal glass which is detected, compared with a single vacuum chuck conveying mechanism, the conveying efficiency is obviously improved, the time spent in the liquid crystal glass appearance defect detection link is reduced, and a foundation is laid for the intelligent manufacturing of the liquid crystal display screen.

It is to be understood that the above-described embodiments are merely preferred examples of the present invention and are not intended to limit the scope of the invention, so that equivalent changes or modifications in the structure, features and principles of the invention as described in the claims should be included in the claims.